Theta-cypermethrin |
Last updated: 22/02/2024 |
(Not known by any other names) |
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A broad spectrum insecticide used to control common pests in crops, public health and veterinary situations. | |
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Current | |
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1989, introduced | |
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Chemical structure |
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A 1:1 reaction mixture of the two enantiomers (R)- and (S)-alpha-cyano-3-phenoxybenzyl (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate | |
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C₂₂H₁₉Cl₂NO₃ | |
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CC1(C(C1C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C | |
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CC1([C@@H]([C@H]1C(=O)O[C@H](C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C | |
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KAATUXNTWXVJKI-GGPKGHCWSA-N | |
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InChI=1S/2C22H19Cl2NO3/c2*1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h2*3-12,17-18,20H,1-2H3/t2*17-,18-,20+/m10/s1 | |
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Pyrethroid insecticide | |
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Synthetic | |
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Non-systemic with contact and stomach action. Sodium channel modulator. | |
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71697-59-1 | |
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265-899-6 | |
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91691 | |
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No data found | |
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416.30 | |
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rac-(R)-cyano(3-phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate | |
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1:1 reaction mixture of the two enantiomers (R)-α-cyano-3-phenoxybenzyl (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (S)-α-cyano-3-phenoxybenzyl (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate | |
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(R)-cyano(3-phenoxyphenyl)methyl (1S,3R)-rel-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate | |
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UK Environment Agency non-statutory standard for the protection of aquatic life in freshwater and saltwater annual average 0.0002 µg l⁻¹, max acceptable conc 0.002 µg l⁻¹. UK statutory standard for water quality: ‘Good’ for fresh, transitional & saltwater: 0.1 ng l⁻¹ as annual mean conc, 0.4 ng l⁻¹ 95th percentile | |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. | ||||||||||
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Fate indices |
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Known groundwater metabolites |
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Terrestrial ecotoxicology |
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Aquatic ecotoxicology |
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0.00036 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment ) Ceriodaphnia dubia LC₅₀4 = Verified data |
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General |
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Health issues |
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Risk of serious damage to the eye |
Handling issues |
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IMDG Transport Hazard Class 6.1 Not explosive or oxidising Not expected to auto-ignite; Not highly flammable |
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Health: H301, H318, H332, H335 Environment: H410 |
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Not listed (Not listed) | |||
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Packaging Group III (minor danger) | |||
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theta-cypermethrin | ||
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theta-cypermethrin | ||
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thetacypermethrine | ||
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theta-Cypermethrin | ||
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theta-cipermetrina | ||
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theta-cypermetryna | ||
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Record last updated: | 22/02/2024 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |